4

U Series CE Family Product Manual, Rev. A

 

 

 

 

 

 

Drive Specification

ST380020ACE

ST360020ACE

ST340810ACE

ST320410ACE

 

 

 

 

 

 

 

 

 

 

 

 

Altitude (meters be-

 

 

 

 

 

low mean sea level,

–121.92 m to 12,192 m (–400 ft to 40,000+ ft)

max)

 

 

 

 

 

 

Shock, operating

 

 

 

 

 

(Gs max at 2 msec)

 

63 Gs

 

 

 

 

 

 

Shock, nonoperating

 

 

 

 

 

(Gs max at 1 and 2

 

 

 

 

 

msec)

 

350 Gs

 

 

 

Vibration, operating

 

0.5 Gs (0 to peak, 22–350 Hz)

 

 

 

 

 

 

Vibration,

 

 

 

 

 

nonoperating

 

5 Gs (0 to peak, 22–350 Hz)

 

 

 

 

 

 

Drive acoustics

 

 

 

 

 

Sound power in bels

 

 

 

 

 

Idle mode

 

2.7 (typical), 3.0 (max)

Performance Seek

 

2.9 (typical), 3.2 (max)

 

 

 

 

 

 

Nonrecoverable

 

1 per 1013 bits read

read errors

 

Mean time between

 

 

 

 

 

failures (power-on

 

 

 

 

 

hours)

600,000

 

 

 

 

 

 

 

 

Contact start-stop cy-

 

 

 

 

 

cles (25°C, 40%

 

 

 

 

 

relative humidity)

50,000

 

 

 

 

 

SeaShield

 

Yes

 

 

 

 

 

 

Page 12
Image 12
Seagate ST320410ACE, ST380020ACE, ST340810ACE, ST360020ACE manual Altitude meters be Low mean sea level